Amphenol · Electronic Components
MS3420-4A
BUSHING TELESCOPING W/FLANGE
Part NumberMS3420-4A
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5365-00-682-1427 (NSN)
Federal Item NameBUSHING,NONMETALLIC
MaterialRUBBER CHLOROPRENE CLASS CR
Overall Length2.000 INCHES NOMINAL
Design TypeSINGLE CENTRALLY LOCATED HOLE
Body Diameter0.302 INCHES NOMINAL
Style DesignatorROUND
Material Document And ClassificatiMIL-STD-417, TYPE S, CLASS SC, GRADE SC515A1B1C1E3E5F2GM MIL STD SINGLE MATERIAL RESPONSE
Nonmetallic Hardness Rating45.0 MINIMUM DUROMETER AND 55.0 MAXIMUM DUROMETER
Center Hole Diameter0.219 INCHES NOMINAL
Federal Supply Class5365 — Bushings, Rings, Shims, And Spacers
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MS3420-4A available?
We can source MS3420-4A even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is MS3420-4A by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3420-4A has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like MS3420-4A?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for MS3420-4A?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.